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Departemen Teknik Kimia, Fakultas Teknik, Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Health Professions Materials Science & Nanotechnology Nursing Public Health Social Sciences

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Journal : Majalah Kulit, Karet, dan Plastik

 1 
Pengolahan air limbah industri penyamakan kulit menggunakan abu terbang bagas secara batch Sholeh, Muhammad; Prasetya, Agus; Sarto, Sarto
Majalah Kulit, Karet, dan Plastik Vol 28, No 1 (2012): Majalah Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (237.709 KB) | DOI: 10.20543/mkkp.v28i1.202

Abstract

The objective of this research was to evaluate the adsorption ability of chemically activated bagasse fly ash using H O or H SO to remove COD from tannery wastewater and to obtain 2 adsorption isotherm model in batch system. Two stages have been carried out, namely the activation experiment and the adsorption isotherm experiment. In the activation experiment, effect of H O dan H SO (3% and 7,5% w/w) were studied. The best result of the variation was used in the next experiment. In the adsorption isotherm experiment, variation of the initial concentrations of COD from 52,53 to 1665,79 mg/L and mass of bagasse fly ash from 0,1 to 0,4 g were used. Equilibrium data was used to evaluate the parameters in the Langmuir, Freundlich, and Temkin equations. The best model was evaluated using determination coefficients. The results showed that bagas fly ash had better ability to reduce the COD when it was not activated with H O nor H SO (3% and 7,5%). Freundlich model was best to describe COD removal using bagasse fly ash in batch system. Freundlich equation constants K and n were F 0,4360 (mg/g)/(L/mg)1/n and 1,2969 respectively and the determination coefficient obtained was 0,93.  Keywords: Chemical Oxygen Demand, tannery wastewater, bagasse fly ash, adsorption
Pemodelan matematis pengurangan COD dalam air limbah industri penyamakan kulit secara adsorpsi kontinyu menggunakan abu terbang bagas Prasetya, Agus; Sarto, Sarto; Sholeh, Muhammad
Majalah Kulit, Karet, dan Plastik Vol 29, No 1 (2013): Majalah Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (184.475 KB) | DOI: 10.20543/mkkp.v29i1.214

Abstract

ABSTRACTThe objective of this research was to obtain suitable mathematical model for ChemicalOxygen Demand (COD) removal originated from tannery wastewater using bagasse fly ash incontinuous system. In the column experiment, effect of flowrate, concentration of wastewater,and bulk density were studied. Three models: Adams-Bohart, Thomas, and Yan were applied toexperimental data to predict the breakthrough curve. The best model was evaluated usingcorrelation coefficients. Yan model was found to give the most accurate to describe dynamicbehavior of the column experiment. The best result was obtained at flowrate of 100 mL/min,concentration of 400 mg/L, and bulk density of 61 g/L. The Yan kinetic constant (k ) and the Yadsorption capacity (q ) were 0.3210 mL/mg/min and 17.0947 mg/g respectively and the Ycorrelation coefficient obtained was 0.9379.Keywords: Chemical Oxygen Demand, tannery wastewater, bagasse fly ash, adsorptionABSTRAKpengurangan COD dalam air limbah industri penyamakan kulit mengunakan abu terbang bagassecara kontinyu. Variasi percobaan adsorpsi dalam kolom yang dilakukan yaitu: kecepatan aliranair limbah, konsentrasi air limbah, dan bobot isi. Persamaan Adams-Bohart, Thomas, dan Yandiaplikasikan ke data percobaan untuk memprediksikan kurva breakthrough. Koefisien korelasidigunakan untuk mengevaluasi model terbaik. Proses pengurangan COD dengan abu terbangbagas secara kontinyu dalam kolom paling cocok dimodelkan dengan model Yan. Hasil terbaikdiperoleh pada kecepatan aliran air limbah 100 mL/menit, konsentrasi air limbah 400 mg/L, danbobot isi 61 g/L. Parameter konstanta kinetika (k ) dan kapasitas adsorpsi (q ) yang diperoleh Y Yberturut-turut sebesar 0,3210 mL/mg/menit dan 17,0947 mg/g dengan nilai koefisien korelasiyang didapatkan yaitu 0,9379.Kata kunci: Chemical Oxygen Demand, air limbah industri penyamakan kulit, abu terbang bagas,adsorpsi
Co-Authors Abdullah Isnaini, Abdullah Adi Heru Husodo Adi Heru Sutomo Agus Prasetya Agus Prasetyo Agus Suwarni Amekan, Yumechris Amini, Noor Rosyidah Andreas Didit Herdito, Andreas Didit Anita Arsyad Aprodhita Kusumaningtyas, Aprodhita Ariyanto Nugroho Astiti, Dian Fitriani Astrilia Damayanti Chafid Fandeli Chandra Wahyu Purnomo Damayanti, Sri Ismiyati Dewi Liesnoor Setyowati Doni Prakasa Eka Putra Dwi Astuti Dwikorita Karnawati Eka Sari, Eka Elisa Nurnawati Eni Mahawati Erni Martani Hary Sulistyo I Made Bendiyasa Igarashi, Toshifumi Imam Prasetyo Indwiani Astuti JAKA WIDADA Jovita Irene Pongoh Juhadi Juhadi Kasam, Ir Kharisma, Agung Dian Kyu Mar, Kyu Made Gunamantba, Made Makmun, Linarsih Manila, Riang Lala Mika Vernicia Humairo Muhammad Nur Cahyanto MUHAMMAD SHOLEH Muhammad Sulaiman Noor Rosyidah Amini Ratna Sri Harjanti Retno Ambarwati Sigit Lestari Sebastian Margino Shalibuddin Djalal Tandjung, Shalibuddin Djalal Siti Syamsiah Susi Iravati Susi Iravati Syarifuddin, Muhamad Tabelin, Carlito Baltazar Wahyudi Budi Sediawan Wangi, Dyah Sekar A P Wiranto Wiranto Wiratni Budhijanto Yulia Rina Wijaya Yulia Rina Wijaya Yustina Rusnawati, Yustina Zuhria, Faida